Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10299985 | Dual plumbing system and method for a hot tub or spa | Daniel Jacob Kroll, Scott Stephen Backer | 2019-05-28 |
| 10292902 | Dual plumbing system for a hot tub or spa | Daniel Jacob Kroll, Scott Stephen Backer | 2019-05-21 |